﻿//==本JS是加载Lodop插件或Web打印服务CLodop/Lodop7的综合示例，可直接使用，建议理解后融入自己程序==

//用双端口加载主JS文件Lodop.js(或CLodopfuncs.js兼容老版本)以防其中某端口被占:
var MainJS = "CLodopfuncs.js",
  // 正式jt
  URL_WS1 = "ws://192.168.90.103:8000/" + MainJS, //ws用8000/18000
  URL_WS2 = "ws://192.168.90.103:18000/" + MainJS,
  URL_HTTP1 = "http://192.168.90.103:8000/" + MainJS, //http用8000/18000
  URL_HTTP2 = "http://192.168.90.103:18000/" + MainJS,
  URL_HTTP3 = "https://192.168.90.103.lodop.net:8443/" + MainJS; //https用8000/8443
  // 测试jt
  // URL_WS1 = "ws://192.168.3.62:8000/" + MainJS, //ws用8000/18000
  // URL_WS2 = "ws://192.168.3.62:18000/" + MainJS,
  // URL_HTTP1 = "http://192.168.3.62:8000/" + MainJS, //http用8000/18000
  // URL_HTTP2 = "http://192.168.3.62:18000/" + MainJS,
  // URL_HTTP3 = "https://192.168.3.62.lodop.net:8443/" + MainJS; //https用8000/8443

// 测试dkia
// URL_WS1 = "ws://192.168.3.194:8000/" + MainJS, //ws用8000/18000
// URL_WS2 = "ws://192.168.3.194:18000/" + MainJS,
// URL_HTTP1 = "http://192.168.3.194:8000/" + MainJS, //http用8000/18000
// URL_HTTP2 = "http://192.168.3.194:18000/" + MainJS,
// URL_HTTP3 = "https://192.168.3.194.lodop.net:8443/" + MainJS; //https用8000/8443
var CreatedOKLodopObject, CLodopIsLocal, LoadJsState;

//====判断是否需要 Web打印服务CLodop:===
//===(不支持插件的浏览器版本需要用它)===
export function needCLodop() {
  try {
    var ua = navigator.userAgent;
    if (
      ua.match(/Windows\sPhone/i) ||
      ua.match(/iPhone|iPod|iPad/i) ||
      ua.match(/Android/i) ||
      ua.match(/Edge\D?\d+/i)
    )
      return true;
    var verTrident = ua.match(/Trident\D?\d+/i);
    var verIE = ua.match(/MSIE\D?\d+/i);
    var verOPR = ua.match(/OPR\D?\d+/i);
    var verFF = ua.match(/Firefox\D?\d+/i);
    var x64 = ua.match(/x64/i);
    if (!verTrident && !verIE && x64) return true;
    else if (verFF) {
      verFF = verFF[0].match(/\d+/);
      if (verFF[0] >= 41 || x64) return true;
    } else if (verOPR) {
      verOPR = verOPR[0].match(/\d+/);
      if (verOPR[0] >= 32) return true;
    } else if (!verTrident && !verIE) {
      var verChrome = ua.match(/Chrome\D?\d+/i);
      if (verChrome) {
        verChrome = verChrome[0].match(/\d+/);
        if (verChrome[0] >= 41) return true;
      }
    }
    return false;
  } catch (err) {
    return true;
  }
}

//====页面引用CLodop云打印必须的JS文件,用双端口(8000和18000）避免其中某个被占用：====
if (needCLodop()) {
  CLodopIsLocal = !!(URL_WS1 + URL_WS2).match(/\/\/localho|\/\/127.0.0./i);
  LoadJsState = "loadingA";
  if (!window.WebSocket && window.MozWebSocket)
    window.WebSocket = window.MozWebSocket;
  //ws方式速度快(小于200ms)且可避免CORS错误,但要求Lodop版本足够新:
  try {
    var WSK1 = new WebSocket(URL_WS1);
    WSK1.onopen = function (e) {
      // setTimeout("checkOrTryHttp()", 200);
    };
    WSK1.onmessage = function (e) {
      if (!window.getCLodop) eval(e.data);
    };
    WSK1.onerror = function (e) {
      var WSK2 = new WebSocket(URL_WS2);
      WSK2.onopen = function (e) {
        // setTimeout("checkOrTryHttp()", 200);
      };
      WSK2.onmessage = function (e) {
        if (!window.getCLodop) eval(e.data);
      };
      WSK2.onerror = function (e) {
        // checkOrTryHttp();
      };
    };
  } catch (e) {
    // checkOrTryHttp();
  }
}

//====获取LODOP对象的主过程：====
export function getLodop(oOBJECT, oEMBED) {
  var strFontTag = "<br><font color='#FF00FF'>打印控件";
  var strLodopInstall =
    strFontTag +
    "未安装!点击这里<a href='install_lodop32.exe' target='_self'>执行安装</a>";
  var strLodopUpdate =
    strFontTag +
    "需要升级!点击这里<a href='install_lodop32.exe' target='_self'>执行升级</a>";
  var strLodop64Install =
    strFontTag +
    "未安装!点击这里<a href='install_lodop64.exe' target='_self'>执行安装</a>";
  var strLodop64Update =
    strFontTag +
    "需要升级!点击这里<a href='install_lodop64.exe' target='_self'>执行升级</a>";
  var strCLodopInstallA =
    "<br><font color='#FF00FF'>Web打印服务CLodop未安装启动，点击这里<a href='CLodop_Setup_for_Win32NT.exe' target='_self'>下载执行安装</a>";
  var strCLodopInstallB =
    "<br>（若此前已安装过，可<a href='CLodop.protocol:setup' target='_self'>点这里直接再次启动</a>）";
  var strCLodopUpdate =
    "<br><font color='#FF00FF'>Web打印服务CLodop需升级!点击这里<a href='CLodop_Setup_for_Win32NT.exe' target='_self'>执行升级</a>";
  var strLodop7FontTag = "<br><font color='#FF00FF'>Web打印服务Lodop7";
  var strLodop7HrefX86 =
    "点击这里<a href='Lodop7_Linux_X86_64.tar.gz' target='_self'>下载安装</a>(下载后解压，点击lodop文件开始执行)";
  var strLodop7HrefARM =
    "点击这里<a href='Lodop7_Linux_ARM64.tar.gz'  target='_self'>下载安装</a>(下载后解压，点击lodop文件开始执行)";
  var strLodop7Install_X86 =
    strLodop7FontTag + "未安装启动，" + strLodop7HrefX86;
  var strLodop7Install_ARM =
    strLodop7FontTag + "未安装启动，" + strLodop7HrefARM;
  var strLodop7Update_X86 = strLodop7FontTag + "需升级，" + strLodop7HrefX86;
  var strLodop7Update_ARM = strLodop7FontTag + "需升级，" + strLodop7HrefARM;
  var strInstallOK = "，成功后请刷新本页面或重启浏览器。</font>";
  var LODOP;
  try {
    var isWinIE =
      /MSIE/i.test(navigator.userAgent) || /Trident/i.test(navigator.userAgent);
    var isWinIE64 = isWinIE && /x64/i.test(navigator.userAgent);
    var isLinuxX86 =
      /Linux/i.test(navigator.platform) && /x86/i.test(navigator.platform);
    var isLinuxARM =
      /Linux/i.test(navigator.platform) && /aarch/i.test(navigator.platform);

    if (needCLodop() || isLinuxX86 || isLinuxARM) {
      try {
        LODOP = window.getCLodop();
      } catch (err) {}
      if (!LODOP && LoadJsState !== "complete") {
        if (!LoadJsState) {
          uni.postMessage({
            data: {
              message:
                "CLodopfuncs异常，未曾加载Lodop主JS文件，请先调用loadCLodop过程.",
              code: 0,
            },
          });
          alert("未曾加载Lodop主JS文件，请先调用loadCLodop过程.");
          return;
        } else {
          if (uni) {
            uni.postMessage({
              data: {
                message: "CLodopfuncs异常，网页还没下载完毕，请稍等一下再操作",
                code: 0,
              },
            });
          }
          alert("网页还没下载完毕，请稍等一下再操作.");
          return;
        }
      }
      var strAlertMessage;
      if (!LODOP) {
        if (isLinuxX86) strAlertMessage = strLodop7Install_X86;
        else if (isLinuxARM) strAlertMessage = strLodop7Install_ARM;
        else
          strAlertMessage =
            strCLodopInstallA + (CLodopIsLocal ? strCLodopInstallB : "");
        document.body.innerHTML =
          strAlertMessage + strInstallOK + document.body.innerHTML;
        return;
      } else {
        if (isLinuxX86 && LODOP.CVERSION < "7.0.7.5")
          strAlertMessage = strLodop7Update_X86;
        else if (isLinuxARM && LODOP.CVERSION < "7.0.7.5")
          strAlertMessage = strLodop7Update_ARM;
        else if (CLODOP.CVERSION < "6.5.7.9") strAlertMessage = strCLodopUpdate;

        if (strAlertMessage)
          document.body.innerHTML =
            strAlertMessage + strInstallOK + document.body.innerHTML;
      }
    } else {
      //==如果页面有Lodop插件就直接使用,否则新建:==
      if (oOBJECT || oEMBED) {
        if (isWinIE) LODOP = oOBJECT;
        else LODOP = oEMBED;
      } else if (!CreatedOKLodopObject) {
        LODOP = document.createElement("object");
        LODOP.setAttribute("width", 0);
        LODOP.setAttribute("height", 0);
        LODOP.setAttribute(
          "style",
          "position:absolute;left:0px;top:-100px;width:0px;height:0px;"
        );
        if (isWinIE)
          LODOP.setAttribute(
            "classid",
            "clsid:2105C259-1E0C-4534-8141-A753534CB4CA"
          );
        else LODOP.setAttribute("type", "application/x-print-lodop");
        document.documentElement.appendChild(LODOP);
        CreatedOKLodopObject = LODOP;
      } else LODOP = CreatedOKLodopObject;
      //==Lodop插件未安装时提示下载地址:==
      if (!LODOP || !LODOP.VERSION) {
        document.body.innerHTML =
          (isWinIE64 ? strLodop64Install : strLodopInstall) +
          strInstallOK +
          document.body.innerHTML;
        return LODOP;
      }
      if (LODOP.VERSION < "6.2.2.6") {
        document.body.innerHTML =
          (isWinIE64 ? strLodop64Update : strLodopUpdate) +
          strInstallOK +
          document.body.innerHTML;
      }
    }
    //===如下空白位置适合调用统一功能(如注册语句、语言选择等):=======================

    //===============================================================================
    return LODOP;
  } catch (err) {
    alert("getLodop出错:" + err);
  }
}
